Cut-off cock or valve with separate closing device.



Patented Oct. 2, I900.

. H. MOEBES. CUT-OFF COCK 0R VALVE WITH SEPARATE CLOSING DEVICE.

(Application filed Nov. 18, 1899.)

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UNITED ST TES P TENT FFICE,

HERMANN MOERES, OF EIT'ORF, GERMANY.

CUT-OFF COCK OR VALVE WITH SEPARATE CLOSING DEVICE.

SPEOIFIQATION forming part of Letters Patent No. 658,797, dated October 2, 1900.

Application filed November 13, 1899. Serial No. 736,862. (No modelfr T (,LZZ whom it may concern:

Be it known that I, I-IERMANN Monnns, a subject of the King of Prussia, German Emperor, residing at Eitorf-on-the-Sieg, in the Kingdom of Prussia, Germany, have invented certain new and useful Improvements in Cut-- Off Cocks or Vaives with Separate Closing Devices, (forwhich I have applied for patents in England, N0. 12,224, dated June 12, 1899;

in Germany, dated April 29, 1899; in France,

No. 277,898, dated June'15, 1899, and in Belgium, No. 143,239, dated June 14, 1899,) of which the following is a specification.

As is well known, itis a very great drawback that, especially in the case of service water cocks or valves, a leakage of the packingor of the plug or valve piece, or even the carrying out of repairs, necessitates the shutting off of the entire main service,which leads to many inconveniences, especially in large households.

Now the present invention has for its object to remove these drawbacks by means of the arrangement between the service-pipe 2 5 and the water cook or valve of a further and separate closing device, which in such cases can be operated by asimple manipulation, and thus prevents the further flow of water, and in which case the pressure existing in the water-pipe itself effects a good and tight closure by means of the closing part.

In the annexed drawings, illustrating the invention, Figure 1 is a side elevation, partly in section, illustrating my invention; Fig. 2

5 is a cross-sectional view taken through the auxiliary closing device. Fig. 3v is a view similar to Fig. 1, but showing the auxiliary closing device in its cut-off posit-ion. Fig. 4 is a detail plan view of the tubular part carrying the auxiliary closing device.

5 very unnoticeable manner and without appreciable increase of the total cost to every hydrant or water-valve, and even to steam or gas cut-ofi valves and cooks. Themeans employed for effecting this purpose are extremely simple and consists, as shown in one construction, by way of example, in the annexed drawings, first, of a tubular piece a,

spindle e.

which is fixed, by means of a screw-thread, to the closing part, in the present case to a service water-cock H, in the interior of which there is provided a ball-valve c for the purpose of closing temporarily the aperture 1) of the pipe. This ball-valve c, which is preferably made of rubber, caoutchouc, vulcanized fiber, or in the case of steam-pipes may be made of metals or other suitable material, is fixed to a pin 61, which is formed at its lower end with a spherical extension (1. This extension engages in a corresponding hemispherical recess in a vertically-movable spindle e in such a manner that the ball 0 can within certain limits move freely in all directions and can rotate in a circle. d and the ball e are, however, prevented from falling out of the mounting in the spindle e by means of a cap f, which is slipped over the upper end of the spindle e and the spherical extension 01 and which also limits exactly the rotary motion of the ball. On the tubu lar piece a there is provided at the lower part a tubular portion a, over which there is slipped a nut with a lock-nut, which serves in this manner partly to guide the spindle ein a straight line and partly, by means of an inserted packing, to produce a tight joint against the periphery'of the spindle e. If the packing in the tubular part should become defective, then the ball a in this case also forms a closure by bearing upon the hole in the stuffing-box seat, and thus prevents the pressure fluid from passing out along the Normallythat is to say, when it is not necessary to shut off the cock H for the purpose of effecting repairs-the ball 0 is situated in the lower part of the tubular part a, as indicated in Fig. 1, in which position the pressure fluid surrounds the ball on all sides, so that the several pressures upon the same balance one another mutually. If, however, the cock H. has to be screwed out, the spindle e is pressed up with the thumb (after the cock has been opened a short time before) to about the extent shown in Fig. 3. In this position the valve-piece e is situated just in front of the outflow-passage b, and the water flowing through the pipe consequently exerts a pressure upon the ball 0, which is not balanced by any other oppositelydirected pressure in front of the aperture 1). Consequently The pin the rod d swings in obedience to the pressure toward the left hand and the ball 0 bears against the aperture'b, which forms a valveseat with its edges, so as to produce at once a cutting oil? of the How of water by its own pressure. \Vhen the repair of the cock H is finished, a slight downward pressure exerted upon the spindle e is sufiicient to throw the shutting-oft device out of operation again.

What Iclaim, and desire to secure by Letters Patent of the United States, is

1. In combination with a cook or faucet, afreely-movable ball-valve arranged to close the inlet-opening leading to said cock or fancet, means for bringing the said ball-valve into and out of coincidence with the said inlet-opening, and a universal-joint connection between said valve and means, substantially as described.

2. In combination with a cook or faucet, a ball-valve arranged to close the inlet-openin g leading to said cook or faucet, a pin upon which said ball-valve is freely mounted, a

-thcrewitl1', substantially as described.

3. In combination with a cock or faucet, a

ball-valve arranged to close the inlet-opening leading to said cook or faucet, a pin upon which said valve is mounted, a sliding rod for bringing the ball-valve into and out of coincidence with the said inlet-opening, and

a universal-joint connection between said sliding rod and pin, substantially as described.

In testimony whereof I have hereunto set my hand in the presence of two witnesses.

HERMANN MOERES.

Witnesses:

NIKOLAUS METERER, WILLIAM H. MADDEN. 

